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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Biosfer: Jurnal Pendidikan Biologi Zonasi: Jurnal Sistem Informasi Management Studies and Entrepreneurship Journal (MSEJ) Journal of Management, Accounting, General Finance and International Economic Issues (MARGINAL) Guruku: Jurnal Pendidikan Profesi Guru Jurnal Al-hikam Jurnal Hasil-Hasil Pengabdian dan Pemberdayaan Masyarakat (JHP2M) Jurnal Bioteknologi & Biosains Indonesia (JBBI) Jurnal Bioteknologi & Biosains Indonesia
Meilinda
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Physics Social Sciences Other

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Indigenous Knowledge and Food Security of Tunggu Tubang Community in Semende, South Sumatra Meilinda; Anwar, Yenny; Mukti, Retno Cahya; Ningsih, Windi Indah Fajar; Maretha, Delima Engga
Jurnal Penelitian Pendidikan IPA Vol 9 No 12 (2023): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i12.5603

Abstract

This research aims to identify and document the local food security system in the Semende traditional community based on tunggu tubang indigenous knowledge. The study was conducted in 3 districts of Muara Enim, South Sumatra, involving 81 people from 5 villages practicing the tunggu tubang custom. Using a mixed method, the research took place from July to August 2023.The findings revealed that while tunggu tubang adherents still inherit rice fields and agricultural land, some no longer own rice fields. Inheriting rice fields has led to sufficient food availability but does not guarantee good food security. 50.6% of respondents experienced mild food insecurity due to the traditional sandwich generation where they have to support their parents and closest family. Despite this, most children (56.6%) showed good nutritional status. This research identifies and documents the local food security system in the Semende traditional community. It reveals the importance of tunggu tubang in maintaining food availability but acknowledges the challenges in achieving food security. The findings provide valuable insights for developing educational initiatives to address climate change and food security
THE EFFECT OF POST-PRODUCTION SHELF TIME ON THE ANTIOXIDANT ACTIVITY OF SOY MILK Fadhillah; Nazip, Khoiron; Meilinda
Jurnal Bioteknologi & Biosains Indonesia (JBBI) Vol. 12 No. 1 (2025)
Publisher : BRIN - Badan Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jbbi.2025.11320

Abstract

This study was conducted to analyze the effect of post-production storage time on antioxidant activity in soy milk. Antioxidants are compounds that can ward off free radicals, so it is important to know their stability over time. The storage time used in this study was 1, 4, 7, 10, and 13 hours post-production. Antioxidant activity testing was carried out using the DPPH (2,2-diphenyl-1-picrylhydrazyl) method. Qualitatively, the color change of the DPPH solution was observed from purple to light yellow, while quantitatively the absorbance value was measured using UV-Vis Spectrophotometry. The inhibition value and IC50 were calculated to determine the strength of antioxidant activity in soy milk. The results showed that soy milk with a storage time of 1 hour had the best antioxidant activity with an IC50 value of 28.19 μg/ml which was classified as very strong. At 4 hours of storage time, the IC50 value of 37.28 μg/ml is classified as moderate, while at 7 hours and 10 hours the IC50 values ​​were 146.95 μg/ml and 119.38 μg/ml, respectively, which are also classified as moderate. At 13 hours, the antioxidant activity decreased drastically with an IC50 value of 228.90 μg/ml, which is classified as very weak. The antioxidant activity of soy milk decreased with increasing storage time. Factors such as temperature, light, and components of soy milk contribute to the degradation of antioxidant activity. Therefore, consumption of soy milk should be done within a shorter time after production to obtain optimal antioxidant benefits.
Need Assessment of Teaching Material for Classification Living Things at Junior High School Amelia, Riski; Ermayanti; Meilinda
Jurnal Penelitian Pendidikan IPA Vol 11 No 11 (2025): November: In Progress
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i11.12834

Abstract

This study aims to analyze the need for interactive multimedia-based teaching materials for classifying living things in order to improve students' classification and problem-solving abilities. The research was conducted at SMP Negeri 8 Bayung Lencir using a descriptive method through interviews, observations, and documentation. The research results indicate that the teaching of living organism classification is still teacher-centered, with minimal use of visual and digital media, and has not yet utilized the potential of the surrounding environment. The teaching materials used are limited to textbooks with simple and non-contextual illustrations, which impact the low classification skills and weak contextual problem-solving abilities. The diverse learning styles of students and limited access to biodiversity necessitate varied, interactive, and technology-based teaching materials. The needs analysis shows that students expect teaching materials that are easy to understand (98.82%), interesting (96.47%), contextual (89.41%), independent (81.18%), and technology-based (94.12%). Additionally, 100% of teachers stated the importance of interactive multimedia teaching materials for improving students' classification and problem-solving abilities. The results of this study serve as the basis for the need to develop interactive multimedia-based teaching materials that are relevant to student characteristics and support effective, engaging, and contextual 21st-century science learning.
Co-Authors A. Nurul Annisa Sukhiar Aida Zahra Nabila Andri Wijaya Cut Fitri Rostina Dhevia, Dheva Elvira Destiansari Ermayanti Fadhillah FAUZI Khoiron Nazip, Khoiron Maretha, Delima Engga Mey, Meytati Rahma Miftahul Jannah Mutia Maharani Ningsih, Windi Indah Fajar Nur Rezky Ramadhan Rahmi Susanti Restu Januarty Hamid Retno Cahya Mukti Riski Amelia, Riski Riswani Riyanto SALSABILA, ANNISA Salsabilla, Fitri Wahyuni Santi Susanti, Santi Sri Zulaihati, Sri Wesly Wiwik A.D.P Wulandari, Ratu Mutiara Yenny Anwar